Huawei Airbridge cBTS3612 Maintenance Manual page 26

On-site Maintenance Manual
Airbridge cBTS3612 CDMA Base Station
Whether the transmission driving component of the BTRM
l
is working properly;
Whether the CDU (or DFU, DDU) is working properly.
l
Whether the connection between the BTRM and BHPA is
l
secure;
Whether the BHPA is working properly;
l
Whether the connection between the BHPA and CDU (or
l
DFU, DDU) is secure;
Whether the feeder connection from the CDU (or DFU,
l
DDU) to the top of the cabinet is secure;
Whether the feeder connection from the top of the cabinet
l
to the antenna is secure;
Whether the blind mate in each module of the transmitting
l
channel are secured in place.
Whether the antenna is installed correctly;
l
Whether there is a standing wave ratio alarm;
l
If there is a problem detected in a certain step, refer to the
relevant chapter for proper handling measures, for example, if there
is a problem with the BTRM, go to "3.7
(BTRM )" for proper handling measures.
VII.
Check cell gain & common channel gain configuration
If we can see from the OMC console the logic configuration for
the cell has been completed, but the MS still can not connect to the
network, we can then check whether the gain parameters setting is
correct when we configured the cell.
When configuring the cell, we need to configure the sector gain,
carrier gain, pilot frequency signal gain, synchronization channel gain
Chapter 2 General Fault
BTS Transceiver Module
2-7
Processing